| Patents for C02F 5 - Softening water; Preventing scale; Adding scale preventatives or scale removers to water, e.g. adding sequestering agents (8,632) |
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| 02/09/1995 | WO1995003997A1 Water control system using oxidation reduction potential sensing |
| 02/07/1995 | US5387324 Causing fluid to flow in specified sequence over electrodes with different electrochemical potentials |
| 02/07/1995 | CA1334283C Inhibition of tartar deposition by polyanionic/hydrophobic peptides and derivatives thereof |
| 02/01/1995 | EP0636231A1 Method of cleaning and maintaining hot water heaters |
| 02/01/1995 | EP0431085B1 Method of decontaminating earth |
| 02/01/1995 | CN1098071A Ultra-violet responsive polymers for treating aqueous systems |
| 01/31/1995 | US5386038 A diphosphono compound antiscaling and anticorrosion agents |
| 01/26/1995 | WO1995002745A1 Control of scale deposition in geothermal operations |
| 01/17/1995 | US5382367 Method of treating cooling water systems |
| 01/17/1995 | CA1333985C Method for controlling scale deposition in aqueous systems using quartenary ammonium/maleic anhydride-type polymers |
| 01/11/1995 | EP0633226A1 Calcium carbonate anti-precipitating agents |
| 01/11/1995 | CN1097207A Agent for stopping-leaks and scaling of water tank |
| 01/10/1995 | EP0641364A4 Salts of polyaspartic acid by high temperature reaction. |
| 01/03/1995 | US5378390 Polyepoxysuccinic acid polyether and agaric acid |
| 01/03/1995 | US5378374 Lime addition system for water treatment |
| 01/03/1995 | US5378372 Control of scale formation in aqueous systems |
| 01/03/1995 | US5378368 Inhibiting scale in water systems |
| 12/27/1994 | US5376731 Forming phosphonic telomers for addition polymers; antiscaling agents for water systems |
| 12/21/1994 | EP0629585A1 Process of inhibition oxalate scale formation |
| 12/21/1994 | CN1096498A Method and apparatus for treating waste water from chlorhydrin biology and containing organic chloride compound |
| 12/14/1994 | EP0628539A1 Polyepoxysuccinic acid derivatives and their use for the control of scale formation and corrosion in aqueous systems |
| 12/14/1994 | EP0628518A1 Process of inhibition oxalate scale formation |
| 12/14/1994 | CN1026975C Water demineralizing method by lime and facilities |
| 12/13/1994 | US5373086 Inhibits precipitation of calcium carbonate and/or calcium phosphate and scale formation in cooling and boiler water treatment, reverse osmosis, flash evaporators, oil field recovery operation, plaque and tartar control and desalting |
| 12/07/1994 | CN1096010A High-efficient cleaning agent for cooling water system of vehicle |
| 11/30/1994 | EP0626348A1 Method of decontaminating earth and/or natural gas processing equipment |
| 11/29/1994 | US5368830 Scale control in gold and silver mining heap leach and mill water circuits using polyether polyamino methylene phosphonates |
| 11/29/1994 | US5368779 Ethanolamine |
| 11/29/1994 | US5368740 Methods of controlling scale formation in the presence of metal ions in aqueous systems |
| 11/22/1994 | US5367047 Reacting maleic or fumaric acid with ammonia |
| 11/03/1994 | DE4313909A1 Water-softening formulations |
| 11/01/1994 | US5360570 Maleate polymerization process |
| 11/01/1994 | US5360550 Inhibition of scale |
| 11/01/1994 | US5360065 Contacting aqueous fluid in subterranean formation with copolymer of sodium vinyl sulfonate and polyalkylene glycol mono- or di-methacrylate |
| 11/01/1994 | CA1332786C Boiler chemicals and method of preventing corrosion of boilers |
| 10/29/1994 | CA2095099A1 Preparation of salt solutions of phosphonocarboxylic acids |
| 10/27/1994 | WO1994024096A1 Hydroxamic acids and hydroxamic acid ethers and their use as complexing agents |
| 10/25/1994 | US5358642 Polyether polyamino methylene using phosphonates method for high pH scale control |
| 10/25/1994 | US5358640 Method for inhibiting scale formation and/or dispersing iron in reverse osmosis systems |
| 10/19/1994 | EP0606315A4 Hardness suppression in urea solutions. |
| 10/19/1994 | EP0495794B1 Calcium hypochlorite compositions for inhibiting scale formation and a method for their use |
| 10/11/1994 | CA2020704C Hydrophobically modified polycarboxylate polymers utilized as detergent builders |
| 10/04/1994 | US5352365 Process for removing scale, and reducing scale formation in sewage treatment plants |
| 09/28/1994 | EP0616981A1 Methods for inhibiting the deposition of proteinaceous materials on heat transfer surfaces |
| 09/28/1994 | EP0616979A2 Method for solubilizing silica |
| 09/28/1994 | CN1092821A Fluid treatment device and method |
| 09/27/1994 | US5350820 Butadienesulfonic acid or isoprenesulfonic acid copolymer |
| 09/27/1994 | US5350536 Acrylated polyethers |
| 09/27/1994 | CA1332138C Treatment of aqueous systems |
| 09/25/1994 | CA2116149A1 Method for solubilizing silica |
| 09/21/1994 | EP0616051A1 Cleaning process |
| 09/16/1994 | CA2118829A1 Cleaning process |
| 09/15/1994 | WO1994020557A1 Polymers containing polyacetal blocks, method of producing them and their use |
| 09/13/1994 | US5346626 Adding (meth)acrylic acid-isoprene sulfonic acid copolymer |
| 09/13/1994 | US5346009 Precipitation of scale inhibitors |
| 09/07/1994 | EP0613863A1 Ultra-violet responsive polymers for treating aqueous systems |
| 09/07/1994 | CN1091725A Detergent and its prepn. |
| 09/04/1994 | CA2116816A1 Ultra-violet responsive polymers for treating aqueous systems |
| 09/01/1994 | WO1994019576A1 Removal of scale-forming inorganic salts from a produced brine |
| 08/31/1994 | EP0612914A2 Reducing scale deposition in an aqueous phase producing wellbore |
| 08/31/1994 | EP0612693A1 Process and apparatus for improving quality of water |
| 08/31/1994 | CN1091438A Water-soluble addition polymers of cyclohexene anhydrides |
| 08/30/1994 | US5342787 Diluting to expected detectable silica level adding chelate at basic ph |
| 08/30/1994 | US5342540 Comprising polyepoxysuccinic acid, acrylic acid copolymers and a lanthanum ion |
| 08/30/1994 | US5342510 Automatically controlling scale |
| 08/25/1994 | DE4305368A1 Process for the preparation of polyaspartic acid and salts thereof |
| 08/23/1994 | CA1331552C Branched alkyl acrylamide types of polymer-zinc corrosion inhibitor |
| 08/18/1994 | WO1994019288A1 Process for preventing deposits in a structure's drainage system |
| 08/18/1994 | CA2117911A1 A process for preventing the formation of deposits in a construction drainage system |
| 08/17/1994 | CN1090883A Biodegradable copolymers a process for the production and the use thereof |
| 08/17/1994 | CN1090830A Series compounded water treating tablets and producing process |
| 08/16/1994 | US5338477 Polyether polyamino methylene phosphonates for high pH scale control |
| 08/10/1994 | EP0497812B1 A process of combatting microorganisms |
| 08/09/1994 | US5336727 Scale inhibitors, dispersants for calcium carbonate, mixtures for cement and concrete |
| 08/09/1994 | US5336414 Methods for inhibiting the deposition of proteinaceous materials on heat transfer surfaces |
| 08/04/1994 | WO1994017000A1 Fluid treatment device and method |
| 08/04/1994 | WO1994012571A3 Mixtures of unsaturated carboxylic acid polymerizates and use |
| 08/03/1994 | EP0608845A2 Multifunctional maleate polymers |
| 08/03/1994 | CN1090302A Mixtures of polymers of monoethylenically unsaturated dicarboxylic acids and polymers of ethylenically unsaturated monocarboxylic acids and/or polyaminocarboxylic acids and their use |
| 08/02/1994 | CA1331125C Alumina stabilization in industrial waters |
| 07/27/1994 | EP0608044A2 Monitoring boric acid in fluid systems |
| 07/27/1994 | EP0607153A1 Method and apparatus for treating water and/or wastewater |
| 07/26/1994 | US5332505 Method for inhibiting silica and silicate deposition |
| 07/21/1994 | WO1994015978A1 Biodegradable copolymers, method of producing them and their use |
| 07/21/1994 | WO1994015880A1 Apparatus and method for continuously decarbonating and deliming untreated ph-neutral calcareous water |
| 07/21/1994 | CA2153660A1 Biodegradable copolymers, method of producing them and their use |
| 07/20/1994 | EP0606984A2 Water-soluble addition polymers of cyclohexene anhydrides |
| 07/20/1994 | EP0606823A1 Liquid treatment plant |
| 07/20/1994 | EP0606712A1 Acidic aqueous cleaning compositions |
| 07/20/1994 | EP0606315A1 Hardness suppression in urea solutions |
| 07/14/1994 | CA2112967A1 Processing plant and valve assembly |
| 07/13/1994 | CA2112877A1 Water-soluble addition polymers of cyclohexene anhydrides |
| 07/12/1994 | US5328633 Acidic agents with binders of polyoxyethylene glycols |
| 07/06/1994 | EP0604813A1 Method for the production and use of polysuccinimide, polyaspartic acid and their salts |
| 07/05/1994 | US5326478 Methods for controlling scale formation in aqueous systems |
| 06/29/1994 | EP0604360A1 Process for the controlled removal of insoluble or slightly soluble substances from a system wherein ozonized water is circulating |
| 06/29/1994 | EP0603811A1 Boiler water treatment composition |
| 06/29/1994 | EP0603345A1 Water compositions |
| 06/21/1994 | US5322636 Polyether polyamino methylene phosphonate n-oxides for high pH scale control |
| 06/21/1994 | US5322635 Soap compositions of carboxylic acids and amines useful in removal and prevention of scale |